$303 Cheap Iberia flights Boston (BOS) to London (LHR)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Iberia return flights from $448 from BOS to LHR. Affordable one-way tickets from $303 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to travel to London with Iberia. You could also find great prices on return and one-way fares in February.

To find cheap flights from BOS to LHR with Iberia, start searching about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, hit search and use the “Nonstop” filter on Expedia to find any direct flights from BOS to LHR with Iberia or another airline.

Search Iberia’s earliest flights from BOS to LHR by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Heathrow Airport (LHR) is the primary London hub for Iberia flights from Logan Intl. Airport (BOS).

Iberia lets travelers bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from BOS to LHR. Additionally, you can bring 1 cabin bag in the cabin. This hand luggage must not exceed 22 inches x 15 inches x 9 inches and weigh less than 30 lb. Baggage allowances can differ depending on your cabin class and fare type, so check your booking or Iberia’s website to avoid any extra costs at the airport.

Traveling from BOS to LHR with Iberia means enjoying a range of perks, such as a 4-star airline rating and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Iberia Plus points you can earn with Iberia.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Iberia generally flies Boeing 787-10 planes for flights from Logan Intl. Airport (BOS) to Heathrow Airport (LHR). This carrier also operates the Boeing 787-9 on this route. Keep in mind that aircraft type can change depending on operational demands, so the plane you board could be different when you travel.

Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that. For more information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without additional costs, tick the “No cancel fee” or “Changes included” filter when planning your trip.